The memorial to the victims of the Jonestown Massacre carries the names of 918 lost, including one name people wish wasn't there.

The oldest continuously operating church in California.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

San Francisco Bay's ghost town.

The old Niles Canyon Aqueduct in the San Francisco Bay Area is a bemusing and secret trail through nature for wayward travelers.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Neither Spanish settlers nor anyone since has been able to tell who built these strange California rock walls.

A ruined hotel with an unlucky history and an eerie present.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

One woman's Viking Castle on Lake Tahoe.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.